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The Journal

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Journal archive.

Page 21 of 76

The Endocannabinoid System: Your Brain's Built-In Balance Network
Science

The Endocannabinoid System: Your Brain's Built-In Balance Network

The endocannabinoid system controls mood, stress, and the real runner's high. Learn how your brain's built-in balance network actually works.

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Roon Team
June 27, 2026·10 min read
+2
The Omega-3 Index: How to Measure Your Brain's Fatty-Acid Status
Science

The Omega-3 Index: How to Measure Your Brain's Fatty-Acid Status

The omega-3 index brain test measures DHA and EPA in your cells. Learn why 8% is the target, what low levels mean, and how it affects cognition.

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Roon Team
June 27, 2026·11 min read
+2
Methylxanthines Explained: The Caffeine, Theobromine
Science

Methylxanthines Explained: The Caffeine, Theobromine

Discover how methylxanthines—caffeine, theobromine, and theophylline—differ in structure and effects on your brain, lungs, and heart.

R
Roon Team
June 27, 2026·9 min read
#caffeine+2
Why Racetams Cause Headaches
Science

Why Racetams Cause Headaches

Racetam headaches are caused by acetylcholine depletion, not a bad batch. Learn the mechanism and the simple choline stack fix to stop them.

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Roon Team
June 27, 2026·9 min read
+2
Autophagy and the Brain
Science

Autophagy and the Brain

Discover how autophagy brain health is linked—and how fasting, exercise, and sleep activate cellular cleanup to protect against cognitive decline.

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Roon Team
June 27, 2026·11 min read
+2
NAD+ and the Aging Brain
Science

NAD+ and the Aging Brain

Discover why NAD+ brain aging matters. Learn how falling NAD+ levels weaken neurons, impair mitochondria, and what it means for cognitive health.

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Roon Team
June 27, 2026·10 min read
+3
Chronic Stress and Memory
Science

Chronic Stress and Memory

Chronic stress and memory loss are linked by cortisol and the hippocampus. Learn how prolonged stress reshapes your brain and what science says you can do.

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Roon Team
June 27, 2026·10 min read
+2
The Gut-Brain Axis and Cognition
Science

The Gut-Brain Axis and Cognition

Discover how the gut-brain axis shapes cognition, memory, and focus. Learn the science behind microbiome-to-brain signaling and what 2025 research reveals.

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Roon Team
June 26, 2026·11 min read
+2
Turkey Tail and the Gut-Brain Axis
Science

Turkey Tail and the Gut-Brain Axis

Discover how turkey tail mushroom benefits your gut-brain axis. Learn the real mechanism behind PSP, prebiotics, and cognitive effects—backed by science.

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Roon Team
June 26, 2026·9 min read
+3
Apigenin and the Benzodiazepine Binding Site
Science

Apigenin and the Benzodiazepine Binding Site

Discover how apigenin binds the GABA-A benzodiazepine site to gently calm the brain—without the heavy sedation of prescription drugs. Science explained.

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Roon Team
June 26, 2026·10 min read
+2
Serotonin vs GABA: Two Completely Different Kinds of Calm
Science

Serotonin vs GABA: Two Completely Different Kinds of Calm

Serotonin vs GABA explained clearly. Learn how these two brain chemicals produce different types of calm and which one targets your specific stress or

R
Roon Team
June 26, 2026·9 min read
Acetylcholinesterase Inhibition Explained
Science

Acetylcholinesterase Inhibition Explained

Discover how natural acetylcholinesterase inhibitors like sage and rosemary boost memory by slowing the enzyme that breaks down acetylcholine in your

R
Roon Team
June 26, 2026·9 min read
+3
Flavonoids and the Brain
Science

Flavonoids and the Brain

Discover how flavonoids improve brain function by triggering nitric oxide production, widening blood vessels, and increasing blood flow to your neurons.

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Roon Team
June 26, 2026·10 min read
+3
The Nrf2 Pathway: Your Brain's Master Antioxidant Switch
Science

The Nrf2 Pathway: Your Brain's Master Antioxidant Switch

Discover how the Nrf2 pathway brain defense system activates hundreds of protective genes to shield neurons from oxidative damage. Learn what really works.

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Roon Team
June 26, 2026·9 min read
+2
Caffeine Genetics: How CYP1A2 Sets Your Limit
Science

Caffeine Genetics: How CYP1A2 Sets Your Limit

Discover how caffeine genetics—specifically CYP1A2 and ADORA2A—determine your tolerance, jitters, and sleep. Find your ideal coffee limit based on your

R
Roon Team
June 26, 2026·10 min read
#caffeine+2
Mitochondria and Brain Energy: How Neurons Make ATP
Science

Mitochondria and Brain Energy: How Neurons Make ATP

Your brain burns 20% of daily calories. Learn how neurons produce ATP, why focus fades at 3pm, and what adenosine has to do with mental fatigue.

R
Roon Team
June 26, 2026·11 min read
#energy+3
Caffeine and Cortisol: Does Coffee Spike Your Stress Hormone?
Science

Caffeine and Cortisol: Does Coffee Spike Your Stress Hormone?

Does caffeine really spike cortisol? Learn what the research says about coffee, stress hormones, tolerance, and whether your morning cup is actually a

R
Roon Team
June 26, 2026·10 min read
#caffeine
Caffeine Tolerance at the Receptor Level, Explained
Science

Caffeine Tolerance at the Receptor Level, Explained

Why does coffee stop working? Learn how caffeine tolerance builds at the adenosine receptor level and what you can do about it.

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Roon Team
June 26, 2026·9 min read
#caffeine+2
The Neuroscience of Motivation: How Dopamine Powers Drive
Science

The Neuroscience of Motivation: How Dopamine Powers Drive

Discover how dopamine and motivation are linked in your brain. Learn why dopamine drives effort—not pleasure—and how to use this science to boost focus

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Roon Team
June 26, 2026·10 min read
#dopamine+1
Adenosine and Sleep Pressure
Science

Adenosine and Sleep Pressure

Discover how adenosine builds sleep pressure in your brain all day—and why caffeine hides it rather than removing it. The neuroscience of why you feel

R
Roon Team
June 26, 2026·10 min read
#sleep+1
Caffeine and Dopamine: The A2A-D2 Connection Behind Coffee's Lift
Science

Caffeine and Dopamine: The A2A-D2 Connection Behind Coffee's Lift

Caffeine doesn't release dopamine directly—it removes a brake on it. Learn how the A2A-D2 receptor connection explains coffee's real lift.

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Roon Team
June 26, 2026·8 min read
#caffeine#dopamine+2
The Synapse-Building Trio: Uridine, Choline, and DHA
Science

The Synapse-Building Trio: Uridine, Choline, and DHA

Uridine, choline, and DHA are the three nutrients your brain needs to build synaptic membranes. Learn the science behind this powerful cognitive trio.

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Roon Team
June 26, 2026·10 min read
+3
From Egg to Neuron
Science

From Egg to Neuron

Learn how dietary choline travels from food to neuron, gets converted by ChAT into acetylcholine, and fuels memory, focus, and brain performance.

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Roon Team
June 25, 2026·10 min read
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How Acetylcholinesterase Inhibitors Work
Science

How Acetylcholinesterase Inhibitors Work

Acetylcholinesterase inhibitors boost acetylcholine—but more isn't always better. Learn how AChE inhibitors work and why they can backfire.

R
Roon Team
June 25, 2026·11 min read
+2